- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/02 - Fuel cellsManufacture thereof Details
Patent holdings for IPC class H01M 8/02
Total number of patents in this class: 4595
10-year publication summary
|
213
|
151
|
107
|
69
|
30
|
41
|
37
|
39
|
44
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 13127 |
167 |
| Honda Motor Co., Ltd. | 26702 |
147 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12282 |
144 |
| Sumitomo Electric Industries, Ltd. | 16447 |
130 |
| Toyota Motor Corporation | 36544 |
106 |
| Panasonic Corporation | 18512 |
101 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
79 |
| UTC Power Corporation | 226 |
75 |
| Bloom Energy Corporation | 706 |
73 |
| GM Global Technology Operations LLC | 16306 |
64 |
| Hyundai Motor Company | 25253 |
60 |
| Panasonic Intellectual Property Management Co., Ltd. | 34724 |
59 |
| Audi AG | 7602 |
59 |
| Intelligent Energy Limited | 370 |
55 |
| NGK Insulators, Ltd. | 5162 |
52 |
| Murata Manufacturing Co., Ltd. | 26053 |
50 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6156 |
48 |
| Toray Industries, Inc. | 7164 |
45 |
| Kyocera Corporation | 14532 |
43 |
| Daimler AG | 2784 |
43 |
| Other owners | 2995 |